What is All Smiles?
1.
All smiles is an expression meaning happy.
All smiles means that a person has no problems, questions or queries.
It also means that nothing (no matter how hard or disapointing life can be)it cannot bother them.
Used as a British military saying.
Person 1 ; Hows things ?
Person 2 ; All smiles
when used in the above context it is used as a morale booster for both parties.
See